package com.njts.servlet;

import com.njts.auto.AutoCreateBean;
import com.njts.auto.AutoSearch;
import com.njts.bean.Class;
import com.njts.dao.UseDao;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;

@WebServlet("/classSelect")
public class ClassSelectServlet extends HttpServlet {
    UseDao useDao=new UseDao();
    AutoCreateBean autoCreateBean=new AutoCreateBean();
    AutoSearch autoSearch=new AutoSearch();
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setCharacterEncoding("utf-8");
        Class classes=new Class();
        String whereComplementSql;
        try {
            classes=(Class) autoCreateBean.createBean(req, classes);
            whereComplementSql = autoSearch.getWhereComplementSql(classes);
        } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
            throw new RuntimeException(e);
        }
        List<Class> classList = useDao.selectClass(whereComplementSql);
        //
        req.setAttribute("classList",classList);
        req.setAttribute("classCount",20); //先写死后面改
        req.getRequestDispatcher("/view/class.jsp").forward(req,resp);

    }
}
